423023134 has 4 divisors (see below), whose sum is σ = 634534704. Its totient is φ = 211511566.

The previous prime is 423023131. The next prime is 423023137. The reversal of 423023134 is 431320324.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (423023131) and next prime (423023137).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423023131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105755782 + ... + 105755785.

It is an arithmetic number, because the mean of its divisors is an integer number (158633676).

Almost surely, 2^423023134 is an apocalyptic number.

423023134 is a deficient number, since it is larger than the sum of its proper divisors (211511570).

423023134 is a wasteful number, since it uses less digits than its factorization.

423023134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211511569.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 423023134 is about 20567.5262002993. The cubic root of 423023134 is about 750.6797594204.

Adding to 423023134 its reverse (431320324), we get a palindrome (854343458).

The spelling of 423023134 in words is "four hundred twenty-three million, twenty-three thousand, one hundred thirty-four".